Finding the Fourth Proportional to 324,149.61, 486,206.84 and 99,510.09
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Solution
The fourth proportional to 324,149.61, 486,206.84 and 99,510.09 is: 149,259.74
Step by Step Solution
- Step 1: Write the proportion equation
324,149.61 : 486,206.84 = 99,510.09 : x - Step 2: Convert to fraction form
324,149.61/486,206.84 = 99,510.09/x - Step 3: Cross multiply
324,149.61x = 486,206.84 × 99,510.09 - Step 4: Simplify right side
324,149.61x = 48,382,486,407.02 - Step 5: Solve for x
x = 48,382,486,407.02/324,149.61 - Step 6: Final answer
x = 149,259.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.